/ Dictionary / Index H herringbone gear: Meaning and Definition of Find definitions for: her'ringbone gear" Pronunciation: [key] a helical gear having teeth that lie on the pitch cylinder in a-shaped form so that one half of each tooth is on a right-handed helix and the other half on a left-handed helix. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. herringbone bridging herringbone stitch Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language